Soil pH or soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units. Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale ...
They might show up as slightly acidic or slightly alkaline because of this. The pH scale measures how strongly acidic or alkaline a solution is using a set of values from pH 0 to pH 14.
When you’re doing your weekly hot tub water testing, alkalinity is one of the chemicals you check, along with chlorine and pH, at a minimum. You may notice the signs of high alkalinity in a hot tub ...